单选题王某，女性，诊断为特发性血小板减少性紫癜3年。目前血小板计数下降为15×109/L，护士对其进行护理时，最应警惕的表现是（）A发热B咳嗽C肛周疼痛D剧烈头痛E皮肤出血点增多
单选题
王某，女性，诊断为特发性血小板减少性紫癜3年。目前血小板计数下降为15×109/L，护士对其进行护理时，最应警惕的表现是（）
A
发热
B
咳嗽
C
肛周疼痛
D
剧烈头痛
E
皮肤出血点增多
参考解析
解析：
特发性血小板减少性紫癜病人由于血小板减少，出血症状明显，可发生于皮肤黏膜，也可有内脏出血，严重时可发生颅内出血，危及生命。因此，当血小板测定在20×109/L以下时，护士应注意观察颅内出血的先兆表现，如剧烈头痛、恶心、呕吐、意识障碍。故选D。
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